/*******************************************************************************
 * MIT License
 * 
 * Copyright (C) 2019 NVIDIA CORPORATION
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 ******************************************************************************/
#ifndef _NVDSOPTFLOW_H_
#define _NVDSOPTFLOW_H_

#include <gst/gst.h>

#ifdef __cplusplus
extern "C"
{
#endif

/* new meta types to be shared across pipeline has to be defined in SDK  */
#define NVDS_META_OPTICAL_FLOW    NVDS_META_RESERVED+1

// result of optical overflow calculation
typedef struct
{
    GstElement *parent;
    guint rows;
    guint cols;
    guint elem_size;
    guint stream_id;
    gulong frame_num;
    void *data;
} DsOpticalFlowMeta;

#ifdef __cplusplus
}
#endif

#endif
